[DRBD-user] Upgrade DRBD-8.0.6 to DRBD-8.0.16

[putcha narayana]

I have removed the line size 9380 in drbd.conf of active SC and rebooted it.

After that when DRBD is brought up on Standby SC, Handshake was successful, but pdsk( DUnknown -> Diskless ).

 

Can some one help me resolving this issue?

 

Excerpts from drbd.conf:
disk {
   on-io-error   detach;
}
 
  on Sc1 {
    device      /dev/drbd0;
    disk        /dev/tffsb4;
    address     10.19.17.1:7789;
    meta-disk   internal;
  }
  on Sc2 {
    device     /dev/drbd0;
    disk       /dev/tffsb4;
    address    10.19.18.1:7789;
    meta-disk  internal;
  }


 

Sc2:~# dmesg |grep drbd

drbd: initialised. Version: 8.0.16 (api:86/proto:86)

drbd: GIT-hash: d30881451c988619e243d6294a899139eed1183d build by a22852 at isdmldlinux, 2010-05-24 04:23:26

drbd: registered as block device major 147

drbd: minor_table @ 0xad8ad3e0

drbd0: disk( Diskless -> Attaching )

drbd0: Starting worker thread (from cqueue/0 [576])

drbd0: No usable activity log found.

drbd0: max_segment_size ( = BIO size ) = 32768

drbd0: drbd_bm_resize called with capacity == 18768

drbd0: resync bitmap: bits=2346 words=74

drbd0: size = 9384 KB (9384 KB)

drbd0: recounting of set bits took additional 0 jiffies

drbd0: 9384 KB (2346 bits) marked out-of-sync by on disk bit-map.

drbd0: disk( Attaching -> Inconsistent )

drbd0: Barriers not supported on meta data device - disabling

drbd0: conn( StandAlone -> Unconnected )

drbd0: Starting receiver thread (from drbd0_worker [1581])

drbd0: receiver (re)started

drbd0: conn( Unconnected -> WFConnection )

drbd0: Handshake successful: DRBD Network Protocol version 86

drbd0: conn( WFConnection -> WFReportParams )

drbd0: Starting asender thread (from drbd0_receiver [1586])

drbd0: Considerable difference in lower level device sizes: 32176s vs. 18768s

drbd0: conn( WFReportParams -> Connected ) pdsk( DUnknown -> Diskless )



PUTCHA LAKSHMINARAYANA. LAK 



 


From: putcha_laks at hotmail.com
To: drbd-user at lists.linbit.com
Date: Wed, 21 Jul 2010 09:00:51 +0000
Subject: [DRBD-user] Upgrade DRBD-8.0.6 to DRBD-8.0.16



Hi,
 
Our current system is running DRBD-8.0.6 on 2 boards, One of the baords is active and the other board is standby.
DRBD is configured with meta-disk set as internal, port 7789, protocol C, size 9380. Excerpts attached at the end.
 
To minimize outage by resetting both boards, we would like to upgrade and bring up standby board  on DRBD-8.0.16 first. My attempts are not successful so far.
 
Things modified to match DRBD-8.0.16:
In drbd.conf file size is modified as "size 9380K"
All other entries are kept same as in DRBD-8.0.6
 
Issues:
When drbd is started on standby drbdstatus shows 
0: cs:WFConnection st:Secondary/Unknown ds:UpToDate/DUnknown C r---
 
And Primary does not detect DRBD on standby board.
0: cs:WFConnection st:Primary/Unknown ds:UpToDate/DUnknown C r---
 
Questions:
1. Is DRBD-8.0.16 backward compatible with DRBD-8.0.6?
2. Why there is no communication between DRBD-8.0.6 and DRBD-8.0.16?
3. Can any one list all the changes one must do to upgrade DRBD version on a redundant setup (standby first and then active)?
 
Excerpts from drbd.conf of DRBD8.0.6:
disk {
   on-io-error   detach;
   size 9380;
}
 
  on Sc1 {
    device      /dev/drbd0;
    disk        /dev/tffsb4;
    address     10.19.17.1:7789;
    meta-disk   internal;
  }
  on Sc2 {
    device     /dev/drbd0;
    disk       /dev/tffsb4;
    address    10.19.18.1:7789;
    meta-disk  internal;
  }

Please do the needful,

Thanks and Regards,
LAK 






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